Some of the heat near the surface of the earth _____ electricity.
| A．is used to making | B．are used for making |
| C．is used to make | D．are used to make |
The customer bargained with the shopkeeper for a long time, and finally they agreed ________ the price.
| A．to | B．with | C．on | D．at |
Mr Smith sold that magnificent cottage of his on the sea ________ 2,000,000 dollars.
| A．at | B．for | C．to | D．by |
________ the rapid growth of short messages sent by mobile phones, the increasing number of criminal cases appeared through short messages.
| A．For | B．By | C．As | D．With |
—Have you read the book War and Peace ________ Tolstoy?
—No. I’ve never heard of it.
| A．for | B．by | C．with | D．to |
The study you have been making ________ the ancient Chinese characters is an instructive job.
| A．to | B．for | C．of | D．from |